Belt drive 4c
Rotation transmission between two intersecting shafts.
Angle between the blue and yellow shafts may differ from 90 deg. It is similar to a bevel gear drive but rotary directions of the outputs are opposite.
It uses rope and flat belts, not V-belts.
STEP files of this video:
https://www.mediafire.com/file/zthc06...
Inventor files of this video:
https://www.mediafire.com/file/okt0sk...